Allegheny County Area Codes

About Allegheny County Area Codes

The county of Allegheny County, located in Pennsylvania, is served by 3 telephone area code(s) in this dataset. These calling codes cover cities, suburbs, and unincorporated communities across the county.

Major phone area codes used in Allegheny County include 412, 724, 878. The county mainly follows the America/New_York time zone.

Cities and towns served by these area codes in Allegheny County include Bethel Park, Mckeesport, Monroeville, Mount Lebanon, Penn Hills, Pittsburgh, Plum, Upper Saint Clair, West Mifflin.

List of Area Codes in Allegheny County, Pennsylvania

The table below lists all telephone area codes used in Allegheny County, Pennsylvania, along with their associated cities and time zones from this dataset.

Related Area Code Pages

Explore related area code resources on Burning Compass:

• All area codes in Pennsylvania
• Individual area code details are available from the table above.